Change filenames for easy diff

test/script_signature.spec.ts

@@ -0,0 +1,64 @@
+const { describe, it } = require('mocha')
+const assert = require('assert')
+const bscriptSig = require('../src/script').signature
+const Buffer = require('safe-buffer').Buffer
+const fixtures = require('./fixtures/signature.json')
+
+describe('Script Signatures', () => {
+  function fromRaw (signature) {
+    return Buffer.concat([
+      Buffer.from(signature.r, 'hex'),
+      Buffer.from(signature.s, 'hex')
+    ], 64)
+  }
+
+  function toRaw (signature) {
+    return {
+      r: signature.slice(0, 32).toString('hex'),
+      s: signature.slice(32, 64).toString('hex')
+    }
+  }
+
+  describe('encode', () => {
+    fixtures.valid.forEach(f => {
+      it('encodes ' + f.hex, () => {
+        const buffer = bscriptSig.encode(fromRaw(f.raw), f.hashType)
+
+        assert.strictEqual(buffer.toString('hex'), f.hex)
+      })
+    })
+
+    fixtures.invalid.forEach(f => {
+      if (!f.raw) return
+
+      it('throws ' + f.exception, () => {
+        const signature = fromRaw(f.raw)
+
+        assert.throws(() => {
+          bscriptSig.encode(signature, f.hashType)
+        }, new RegExp(f.exception))
+      })
+    })
+  })
+
+  describe('decode', () => {
+    fixtures.valid.forEach(f => {
+      it('decodes ' + f.hex, () => {
+        const decode = bscriptSig.decode(Buffer.from(f.hex, 'hex'))
+
+        assert.deepStrictEqual(toRaw(decode.signature), f.raw)
+        assert.strictEqual(decode.hashType, f.hashType)
+      })
+    })
+
+    fixtures.invalid.forEach(f => {
+      it('throws on ' + f.hex, () => {
+        const buffer = Buffer.from(f.hex, 'hex')
+
+        assert.throws(() => {
+          bscriptSig.decode(buffer)
+        }, new RegExp(f.exception))
+      })
+    })
+  })
+})